1. ὑδρ-εῖον · hydr-eion — LSJ
bucket or pitcher, Hdt. 3.14, Dem.Phal. Fr. 5J., Ergias ap. Ath. 8.360f, etc.; ὑ. ἀργύρειον Supp.Epigr. 4.306.14 (Panamara); ὑ. χαλκοῦν BGU 387 ii 15 (ii A. D.); cf. ὑδρίον I.
reservoir, Plb. 34.2.6 (s. v.l.), Str. 12.3.39 (both pl.): sg. in Id. 1.2.30, Supp.Epigr. 6.181 (Sebaste), Sardis 7(1) No. 17.13.